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Biochemistry

Biochemistry is the study of the structure, composition and chemical processes in all living organisms. It covers the structures and functions of various cellular components, including proteins, carbohydrates, nucleic acids, lipids, and other biomolecules.

8,065 Questions

The complete set of genetic material in an organism is called its?

Short Answer is It's Chromatin.

Ordinarily it is called Diploid, see chromosome pairs, the chromosome number is 2N. After meiosis the genetic material is Haploid, its chromosome number is 1N; after replication yet before mitosis the genetic material is Quadraploid with its chromosome number 4N - briefly.

The full set of genetic material in an organism is called GENOME.

What is hormone prolacatin?

Prolactin is a hormone produced by the pituitary gland that plays a key role in milk production in women after childbirth. It also has various other functions, such as regulating the immune system and metabolism. In some cases, levels of prolactin can be abnormally high or low, leading to health issues.

What is the pH for pepsin?

The optimal pH for pepsin, an enzyme found in the stomach that helps in protein digestion, is around 2.0. This low pH is necessary for pepsin to be active and function effectively in breaking down proteins into smaller peptides.

How much SOx emissions were produced in 1992?

In 1992, around 70 million tons of sulfur dioxide (SO2) emissions were produced globally.

Can an amino acid be specified by more than one codon?

Yes, each amino acid has several codons that correspond to it. Please see the related link for a chart which shows this.

For example, UUU and UUC both code for Phenylalanine.

However, if you are asking if a codon can code for more than one amino acid, the answer is no (but there are exceptions). This means that UUU codes for Phenylalanine - not for any other amino acids. Codons are made in sets of three bases to match the anticodons in corresponding sets of three bases.

How does the action of hydrogen peroxide mechanically clean a wound?

Hydrogen peroxide is used much less often today, except in some OB departments in hospitals. The reason, besides stinging when used, is that it causes tissue destruction at the wound edges which can make healing slower. Hospitals use Betadine solution (an organically-bound iodine solution) to cleanse wounds. For home use I would simply keep some Neosporin ointment available.

While hydrogen peroxide is relatively safe to use on a wound, it is much more suited for disinfecting inanimate surfaces. The reason for this is that the enzyme catalase is found in your blood. Catalase rapidly breaks down the hydrogen peroxide to water and oxygen (the bubbles) before the peroxide really has a chance to help.

Are all enzymes primary metabolite?

No, not all enzymes are primary metabolites. Enzymes are proteins that catalyze various chemical reactions in cells. Primary metabolites are molecules involved in essential processes like growth and development, whereas enzymes facilitate these processes by speeding up chemical reactions.

What is the effect of competitive inhibitor of an enzyme on lineweaver-burke plot?

A competitive inhibitor increases the Km value on a Lineweaver-Burk plot, but does not affect the Vmax value. This causes parallel lines to be formed with and without the inhibitor, intersecting at the y-axis.

How do you define half-life in pharmacology?

The term half-life refers to the period in which the radioactivity or number of atoms of a radioactive substance decreases by half. The term can be applied to any substance whose quantity decreases exponentially with time.

What is enzymes function?

Enzymes work as catalysts in the body. They speed up reactions that our bodies need to function. An enzyme consists of a substrate and a binding site. The substrate fits onto the binding site perfectly. Once united the binding site splits the substrate into more usable parts. This helps our body by breaking down substances speedily for further use.

Are hydrolysis reactions catabolic reactions?

Yes, hydrolysis reactions are catabolic reactions because they involve breaking down complex molecules into simpler molecules through the addition of water. This process releases energy that can be used by the cell for various metabolic activities.

What are some solutions and recommendations about Autism?

Autism varies in severity. Some autistic people never learn to speak, and these people will need supervision all of their lives. In a less severe case, such as Asperger's Syndrome, interpersonal relations are difficult, but necessary skills can still be learned, if the person is given extra help. Be patient.

Fructose does not undergo hydrolysis because it is a?

Fructose is a monosaccharide that does not undergo hydrolysis because it is already a simple sugar and does not break down into smaller units when it reacts with water. This is in contrast to disaccharides and polysaccharides, which undergo hydrolysis to break down into their monosaccharide components.

A 300-milliliter container that is filled with 100 milliliters of oxygen and 200 milliliters of hydrogen has a total pressure of 750 millimeters of mercury What is the partial pressure of the oxygen?

The partial pressure of oxygen can be calculated using the partial pressure formula: P(O2) = (moles of O2 / total moles) x total pressure. First, convert milliliters of gases into moles using the ideal gas law. Then, apply the formula to find the partial pressure of oxygen.

Why SDA of protein is high?

The specific dynamic action (SDA) of protein is high because protein has a higher thermic effect of food compared to carbohydrates and fats. This means that the body requires more energy to digest, absorb, and metabolize protein, resulting in a higher increase in metabolic rate after consuming protein-rich foods.

How much nutrition is in lemons?

Lemons are fruit like apples and pears. So they are healthy for you but they're much to sour to eat by themselves so have lemonade or put some in your tea. But if you want to be healthy eat good foods like fruits and vegetables & exersives. maybea go eat an apple............................NOT A LEMON

What are the names of two non-reducing sugars?

Two examples of non-reducing sugars are sucrose and trehalose. These sugars do not have a free anomeric carbon that can undergo mutarotation and therefore do not react with Benedict's or Fehling's solution.

A collective term used to refer to all monosaccharide and disaccharide?

carbohydrates. this term refers to simple and complex sugars such as monosaccharides, disaccharides, oligosaccharides, and polysaccharides. this term also refers to starches.

What does encima mean in english?

"Encima" in Spanish can be translated to "on top of" or "above" in English, depending on the context.

What group of macromolecules does cellulose belong to?

Cellulose belongs to the group of macromolecules known as carbohydrates. It is a polysaccharide made up of repeated glucose monomers linked together in long chains.

What is the pH of hyaluronic acid?

There is no data on this polymeric molecule of hyaluronic acid (or hyaluronan).

It has one rather weakly acidic carboxyl group (compare glucuronic acid) and another 'rather neutral to slightly basic' N-acetyl-glucosamide group per disaccharoidic monomere.

Hyaluronan is a polymer of disaccharides ( -(C14H21NO11)n- ), themselves composed of D-glucuronic acid and D-N-acetylglucosamine, linked via alternating β-1,4 and β-1,3 glycosidic bonds. Hyaluronan can be 25,000 disaccharide repeats in length.

In the domain 4 < pH < 11 it is very stable ) virtually no disruption of the HA chains occurs).

More information might be found in litterature cited in 'Related links' below this answer page.

What is a dietary protein that lacks tryptophan?

Gelatin is a dietary protein that lacks tryptophan. Gelatin is primarily composed of collagen, which does not provide all essential amino acids, including tryptophan.

What is the role of fatty acids in the body?

EFAs are also used by the body to produce a class of hormone-like substances called prostaglandins, which are key to many important processes.

Is anthracene soluble in water?

Anthracene is a colorless crystalline aromatic hydrocarbon obtained by the distillation of crude oils. It is soluble in benzene, which is given as 0.083 M.

What is the reason for not getting DNA bands after electrophoresis?

A few reasons you may not see bands on the gel after electrophoresis:

  • DNA concentration too low. More sample has to be loaded
  • DNA sample is contaminated with RNA
  • DNA bands are too small and have run out of the gel
  • The potential (voltage) applied across the gel is not strong enough
  • The buffer system in which the gel is suspended is not doing its job correctly. The buffer might have to be made fresh.
  • The electrophoresis apparatus is not in the ocrrect orientation (electrodes not connected to the right poles)

Additionally, there could also be other reasons like: improper DNA extraction procedure. If you are running a gel after PCR and still do not see bands, look into whether the DNA is being amplified correctly. See if you are using the correct primers.

There are several factors that influence the electrophoresis technique. A close examination of the results obtained will help you make decisions about your future experimental approach.